A gentle to moderate wind. Sea breeze, an onshore afternoon wind, caused by warm air rising over the land in sunny weather. Rhythmic fluctuation. Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. Winds are commonly classified by their spatial scale, their speed, the types of forces that cause them, the regions in which they occur, and their effect. A wave is an oscillation accompanied by a transfer of energy. Frequency refers to the addition of time. Wave motion transfers energy from one point to another. Water sea lake pond puddle surface.